EP0170234A2 - Système extincteur à mousse - Google Patents
Système extincteur à mousse Download PDFInfo
- Publication number
- EP0170234A2 EP0170234A2 EP85109464A EP85109464A EP0170234A2 EP 0170234 A2 EP0170234 A2 EP 0170234A2 EP 85109464 A EP85109464 A EP 85109464A EP 85109464 A EP85109464 A EP 85109464A EP 0170234 A2 EP0170234 A2 EP 0170234A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- foam
- gas
- gas nozzle
- extinguishing
- blown out
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000006260 foam Substances 0.000 title claims abstract description 103
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 239000000126 substance Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 78
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 229920004449 Halon® Polymers 0.000 abstract description 3
- 239000001569 carbon dioxide Substances 0.000 abstract description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 3
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052736 halogen Inorganic materials 0.000 description 13
- 150000002367 halogens Chemical class 0.000 description 13
- 239000007788 liquid Substances 0.000 description 11
- 238000007664 blowing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
- B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
- B05B7/0031—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns
- B05B7/0037—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns including sieves, porous members or the like
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
Definitions
- the present invention relates to a foam extinguishing system according to the preamble of claim 1.
- latent S a l chaumlöschs stem, which produces a foam that contains non-flammable gases, such as halogen-containing gases, in particular Halogenkcilenwasserstoffe.
- gases can themselves be extinguishing agents, ie they are inert gases up to temperatures of around 500 ° C. Above this temperature they decompose and act as extinguishing agents.
- foam dissolving systems of this type comprise, as shown in FIG. 1 of the drawings, foam nozzles 3 of the suction type in the rear part of a tube 1, which has a foam generation network 2 on the front and a gas nozzle for ejecting a gas mixture (also liquid gas; a halogen-containing gas, carbon dioxide or similar).
- a gas mixture also liquid gas; a halogen-containing gas, carbon dioxide or similar.
- the gas concentration contained in the foam produced varies within a wide range, so that due to the turbulence of the blow-out flow of the foam solution F caused by the blow-out pressure of the non-combustible gas mixture or due to the clogging of the spray nozzle, an optimal blow-out structure of the foam solution F cannot be obtained. In addition, the question of freezing the foam solution remains in some cases.
- the object of the invention is to eliminate the disadvantages of the known foam extinguishing systems and, in particular, to provide a foam extinguishing system which enables uniform extinguishing foam formation without the risk of freezing the extinguishing foam on the foam generation network and which at the same time enables a short construction of the foam generation tube without additional heating of the foam generating device is required.
- the device for producing extinguishing foam consists of a tube of circular or rectangular, preferably square, cross-section, on the front of which a foam generation network is attached and in the rear part of which a gas nozzle is provided, a deflection surface being arranged in front of the gas nozzle is to distribute the jet of non-combustible liquid gas emerging from the outlet opening of the gas nozzle sideways.
- the gas nozzle is provided with a deflection surface is in this case in such a position that the gas distributed by the deflection surface does not interfere with the Ausblas Quilt chaumdüsen from the S blown foam solution and that the non-combustible liquid gas or the mixture of the non-combustible gases is propelled by an air flow generated in the pipe.
- the foam extinguishing system according to the invention which has the construction described above, i.e. in which a gas nozzle, which has a deflection surface located in front of the gas outlet opening, is arranged in the rear part of the extinguishing foam generation tube in such a way that a non-combustible gas mixture or a non-combustible liquid gas, such as, for example, a halogen-containing gas, preferably a halogenated hydrocarbon, the or that is blown out of the gas blowing nozzle, ie is blown towards the front of the tube works so that the gas jet is distributed from the deflecting surface and deflected backwards, i.e. sideways from the rear part of the tube and that the gas jet, which has lost a considerable part of its kinetic energy due to the distribution and deflection, is reversed and driven forward by the air flow generated in the tube.
- a non-combustible gas mixture or a non-combustible liquid gas such as, for example
- An advantage of the foam extinguishing system according to the invention is that it is possible by means of a simple construction, without the need for a heating device, to vaporize and disperse the non-combustible liquid gas in the air stream and to obtain a highly expanded extinguishing foam which has the required amount contains non-combustible gas without interfering with foam generation.
- FIGS. 2 and 3 1 means a square tube in the front part of which a foam generation network 2 is arranged.
- a foam generation network 2 In the rear part of the tube 1, four suction-type foam nozzles 3 are arranged, the outlet openings of which are directed towards the foam generation network 2.
- the gas nozzle 4 is located approximately in the center of the four foam nozzles 3.
- the foam solution is supplied from a foam concentrate tank (not shown) and a water supply (not shown) via a mixer through a foam solution supply pipe 5.
- the supply of non-combustible gas or solvent takes place from a not shown Cylinder via a gas supply pipe 6.
- foam solution or a halogen-containing gas mixture is supplied to the foam nozzles 3 through foam solution supply pipes 5 and the gas nozzle 4 through the gas supply pipe 6 under pressure.
- the foam solution supplied is evenly distributed by the foam nozzles 3 over the foam generation network 2, and as a result of the vacuum created by the spraying, air is sucked in from the rear part of the tube 1, so that inside the Tube 1, an air flow takes place in the direction of the foam generation network 2, as shown at A in FIG.
- the mixture of the halogen-containing gas is blown out of the blow-out opening 42 of the gas nozzle 4 in the direction of the foam generation network 2.
- the halogen-containing gas mixture hits the deflecting surface 41 located in front of the blow-out opening 42, is deflected sideways by the rear part of the pipe 1 and is distributed, as shown at G in FIG. 2, whereby it is divided into fine particles.
- the halogen-containing gas mixture deflected in this way, or the halogenated liquefied gas, has a considerably reduced kinetic energy due to the deflection and dispersion by the deflection surface 41 and is driven forward by the air flow A, which is generated in the tube 1, in the direction of the foam generation network 2 .
- the halogen-containing mixture deflected and dispersed by the deflecting surface 41 is propelled by the air stream A, can travel a great distance and is suspended in the air stream for a time before it meets the foam solution blown out by the foam nozzles 3, as at F in FIG 2 is shown.
- the halogen-containing mixture therefore vaporizes before it meets the foam solution at F and is dispersed in the gaseous state in the air stream A.
- the foam solution is evenly distributed by the air stream containing halogen-containing gas over the foam generation network 2 and generates a foam which contains the halogenated gas in the required amount.
- FIG. 5 shows an embodiment with an arrangement of the foam nozzles 3 that differs somewhat from the embodiment described above in relation to the gas nozzle 4.
- the gas nozzle 4 does not disturb the blow-out structure of the foam solution, since the deflected and sprayed halogen-containing mixture is essentially not blown directly into the blow-out foam solution F.
- the halogen-containing gas mixture G which is blown out of the gas nozzle 4 and then deflected and sprayed backwards by the deflection surface 41 is propelled and evaporated by the air stream A before it meets the foam solution F blown out by the foam nozzles 3, so that it is fine distributed and mixed with the air stream A.
- the gas nozzle 4 should be arranged such that the halogen-containing gas mixture G deflected and sprayed by the deflection surface 41 does not interfere with the discharge structure of the foam solution blown out of the foam nozzles 3.
- Inert gases such as e.g. Carbon dioxide, in question, as well as the usual other extinguishing gases, like all types of halons.
- the deflection surface 41 for the gas nozzle 4 does not necessarily have to be integrated into the blow-out opening part 42 of the gas nozzle 4.
- One advantage of the foam extinguishing system according to the invention is that simply by arranging a gas nozzle 4 with a deflecting surface 41 deflecting and spraying the escaping liquid gas stream in the foam generating tube 1, the non-combustible liquid gas (or the extinguishing agent) is combined has traveled a long way and has a long dispersion time before it meets the foam solution blown out of the foam nozzles 3; this eliminates the need for a heating device without having to increase the length of the pipe.
- the foam extinguishing system according to the invention enables the generation of a highly expanded foam, without disturbing the foam formation. There is also no risk of the gas nozzle becoming blocked.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
- Nozzles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT85109464T ATE58300T1 (de) | 1984-07-30 | 1985-07-27 | Schaumloeschsystem. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP157339/84 | 1984-07-30 | ||
| JP15733984A JPS6137176A (ja) | 1984-07-30 | 1984-07-30 | 泡消火装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0170234A2 true EP0170234A2 (fr) | 1986-02-05 |
| EP0170234A3 EP0170234A3 (en) | 1987-09-09 |
| EP0170234B1 EP0170234B1 (fr) | 1990-11-14 |
Family
ID=15647524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP85109464A Expired - Lifetime EP0170234B1 (fr) | 1984-07-30 | 1985-07-27 | Système extincteur à mousse |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4662454A (fr) |
| EP (1) | EP0170234B1 (fr) |
| JP (1) | JPS6137176A (fr) |
| AT (1) | ATE58300T1 (fr) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991014477A1 (fr) * | 1990-03-19 | 1991-10-03 | Rogers, Allen, William | Systeme de generation de mousse pour lutte anti-feu |
| WO2001064290A1 (fr) * | 2000-03-03 | 2001-09-07 | Ulrich Braun | Chambre de melange destinee a la production de mousse a air comprime pour des installations d'extinction |
| EP1927380A1 (fr) * | 2006-11-30 | 2008-06-04 | Nohmi Bosai Ltd. | Système d'extinction de feu à base de mousse à haute expansion |
| EP2457619A1 (fr) * | 2008-03-07 | 2012-05-30 | Nohmi Bosai Ltd. | Système d'extinction de feu à base de mousse à haute expansion |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2783475B2 (ja) * | 1991-12-17 | 1998-08-06 | 住友金属鉱山株式会社 | パルスフィルタスラッジサンプリング装置 |
| EP0608140A3 (en) * | 1993-01-22 | 1995-12-13 | Cca Inc | Mechanical foam fire fighting equipment and method. |
| US5377765A (en) * | 1993-02-22 | 1995-01-03 | Valkyrie Scientific Proprietary, L.C. | Method and means for extinguishing tank fires |
| US20060022358A1 (en) * | 2004-07-30 | 2006-02-02 | Cho Yong M | Distributed bubble generating system |
| US8322633B2 (en) * | 2006-02-09 | 2012-12-04 | Tyco Fire Products Lp | Expansion nozzle assembly to produce inert gas bubbles |
| JP5095178B2 (ja) * | 2006-11-10 | 2012-12-12 | 能美防災株式会社 | 高膨張泡消火設備及びその発泡方法 |
| JP4805111B2 (ja) * | 2006-11-30 | 2011-11-02 | 能美防災株式会社 | 高膨張泡消火設備 |
| JP4808601B2 (ja) * | 2006-11-30 | 2011-11-02 | 能美防災株式会社 | 高膨張泡消火設備 |
| EP3527493B1 (fr) | 2012-01-27 | 2020-08-26 | Simplex Manufacturing Co. | Système d'extinction d'incendie aérien |
| AU2014405666B2 (en) * | 2014-09-05 | 2019-05-16 | Daeyang Rollent Co., Ltd. | Conveyor roller having spray function |
| US10406390B2 (en) | 2016-08-09 | 2019-09-10 | Simplex Manufacturing Co. | Aerial fire suppression system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1727111A (en) * | 1924-12-15 | 1929-09-03 | Bethlehem Shipbuilding Corp | Method and apparatus for extinguishing fires |
| DE920226C (de) * | 1950-11-04 | 1954-11-15 | Phillips & Pain | Luftschaumerzeuger fuer Feuerloeschzwecke |
| US3402771A (en) * | 1965-10-13 | 1968-09-24 | Minimax Ag | Device for the production of physical fire-fighting foam having a high degree of foaminess |
| DE1559679B2 (de) * | 1966-02-28 | 1974-11-14 | Enka Glanzstoff Ag, 5600 Wuppertal | Leichtschaumlöschverfahren mit Kohlendioxydzusatz und Vorrichung zur Durchführung des Verfahrens |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US508130A (en) * | 1893-11-07 | prank w | ||
| NL285531A (fr) * | 1961-11-15 | |||
| US3342271A (en) * | 1965-03-23 | 1967-09-19 | Specialties Dev Corp | Foam plug generator |
| US3368629A (en) * | 1965-08-12 | 1968-02-13 | Specialties Dev Corp | Protective closure for fire-fighting foam generator |
| US3780812A (en) * | 1971-07-06 | 1973-12-25 | M Lambert | Method and apparatus for generating fire-fighting foam |
| GB2102936B (en) * | 1981-07-28 | 1985-02-13 | Rolls Royce | Fuel injector for gas turbine engines |
-
1984
- 1984-07-30 JP JP15733984A patent/JPS6137176A/ja active Granted
-
1985
- 1985-07-23 US US06/757,955 patent/US4662454A/en not_active Expired - Fee Related
- 1985-07-27 AT AT85109464T patent/ATE58300T1/de not_active IP Right Cessation
- 1985-07-27 EP EP85109464A patent/EP0170234B1/fr not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1727111A (en) * | 1924-12-15 | 1929-09-03 | Bethlehem Shipbuilding Corp | Method and apparatus for extinguishing fires |
| DE920226C (de) * | 1950-11-04 | 1954-11-15 | Phillips & Pain | Luftschaumerzeuger fuer Feuerloeschzwecke |
| US3402771A (en) * | 1965-10-13 | 1968-09-24 | Minimax Ag | Device for the production of physical fire-fighting foam having a high degree of foaminess |
| DE1559679B2 (de) * | 1966-02-28 | 1974-11-14 | Enka Glanzstoff Ag, 5600 Wuppertal | Leichtschaumlöschverfahren mit Kohlendioxydzusatz und Vorrichung zur Durchführung des Verfahrens |
Non-Patent Citations (1)
| Title |
|---|
| JP-UM-52-154885 (Veröff. Nr.54-159) * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991014477A1 (fr) * | 1990-03-19 | 1991-10-03 | Rogers, Allen, William | Systeme de generation de mousse pour lutte anti-feu |
| US5337830A (en) * | 1990-03-19 | 1994-08-16 | Allen William Rogers | Fire fighting foam generation system |
| WO2001064290A1 (fr) * | 2000-03-03 | 2001-09-07 | Ulrich Braun | Chambre de melange destinee a la production de mousse a air comprime pour des installations d'extinction |
| US7458427B2 (en) | 2000-03-03 | 2008-12-02 | Ulrich Braun | Mixing chamber for producing compressed air foam for fire extinguishing devices |
| EP1927380A1 (fr) * | 2006-11-30 | 2008-06-04 | Nohmi Bosai Ltd. | Système d'extinction de feu à base de mousse à haute expansion |
| EP2078540A3 (fr) * | 2006-11-30 | 2009-07-22 | Nohmi Bosai Ltd. | Système d'extinction de feu à base de mousse à haute expansion |
| EP2457619A1 (fr) * | 2008-03-07 | 2012-05-30 | Nohmi Bosai Ltd. | Système d'extinction de feu à base de mousse à haute expansion |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0170234B1 (fr) | 1990-11-14 |
| US4662454A (en) | 1987-05-05 |
| EP0170234A3 (en) | 1987-09-09 |
| JPH0439338B2 (fr) | 1992-06-29 |
| ATE58300T1 (de) | 1990-11-15 |
| JPS6137176A (ja) | 1986-02-22 |
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